@use '../src/internal' as *;

@if should-generate-classes($LISTS) {
    /* LISTS */

    ul,
    ol {
        margin: 1rem 0 1rem 1rem;
        padding-inline-start: 0.5rem;

        /* Handle nesting */
        & ul,
        & ol {
            margin: 0 0 0 1rem;
        }
    }

    ul {
        list-style: disc;

        /* Nested list bullet types */
        & ul {
            list-style-type: circle;

            & ul {
                list-style-type: square;
            }
        }
    }

    ol ol {
        list-style: lower-alpha;
    }

    ol ol ol {
        list-style: upper-roman;
    }

    /* Description lists */

    dl {
        margin: 1rem 0;
    }

    /* Detail title */
    dt {
        font-weight: 700;
    }

    dd {
        margin-bottom: 0.5rem;
    }

    li {
        margin: 0.25rem 0;
    }

    /* MISC */
    ul {
        &.no-bullets {
            list-style: none;
        }

        /* MENU LISTS */
        &.menu {
            font-size: 1rem;
            list-style: none;
            margin: 0.5rem 0;
        }

        /* Style headers to have even space distribution. */
        .menu-title:not(:first-child) {
            margin-bottom: 1rem;
        }

        .menu-title:not(:last-child) {
            margin-top: 1rem;
        }

        /* Style menu items */
        $menu-item-allowed-children: 'a:first-child', 'div:first-child', 'span:first-child';
        
        .menu-item > a:first-child,
        .menu-item > div:first-child,
        .menu-item > span:first-child {
            color: fill('gray', '700');
            display: block;
            padding: 0.5em 0.75em;
            border-radius: 3px;
            font-size: var(--font-size-s);
            transition: all var(--animation-duration);
        }

        .menu-item:hover > a:first-child,
        .menu-item:hover > div:first-child,
        .menu-item:hover > span:first-child {
            background-color: rgba(208, 208, 208, 0.3);
            color: fill('primary');
            transition: all var(--animation-duration);
        }

        .menu-item.selected > a:first-child,
        .menu-item.selected > div:first-child,
        .menu-item.selected > span:first-child {
            color: #fff;
            background-color: fill('primary');
        }

        .menu-item .menu-addon {
            z-index: 1;
            position: relative;
            color: var(--cirrus-fg);
            cursor: pointer;
            transition: all var(--animation-duration);
        }

        .menu-item .menu-addon .icon {
            font-size: inherit;
            vertical-align: auto;
        }

        .menu-item .menu-addon:hover {
            transition: all var(--animation-duration);
        }

        .menu-item.selected .menu-addon {
            color: #fff;
        }

        /* Style sub menus inside a menu */
        .menu-item ul {
            border-left: 1px solid fill('gray', '300');
            margin: 0.75rem;
            padding-left: 0.75rem;
        }

        /* Menu item divider */
        .divider {
            border-top: 0.1rem solid fill('gray', '200');
            height: 0.1rem;
            margin: 1rem 0;
        }

        /* Title for the section separated by the divider */
        .divider::after {
            content: attr(data-label); /* Text that will be displayed */
            background-color: var(--cirrus-bg);
            color: fill('gray', '500');
            display: inline-block;
            padding: 0 0.7rem;
            margin: 0.5rem;
            font-size: 0.7rem;
            transform: translateY(-1.1rem);
        }
    }

    /* Dropdown menu for dropdown buttons */
    .list-dropdown {
        display: inline-block;
        position: relative;

        .menu {
            position: absolute;
            top: 75%;
            left: 0;
            animation: slide-down var(--animation-duration) ease 1;
            animation-play-state: paused;
            background-color: var(--cirrus-bg);
            border-radius: 0.2rem;
            box-shadow: 0 1rem 3rem rgba(149, 157, 165, 0.3);
            margin: 0;
            opacity: 0;
            min-width: 15rem;
            padding: 0.25rem 0.5rem;
            transform: translateY(0.5rem);
            z-index: 10;
            pointer-events: none; /* Remove pointer events to prevent mouse hover to show menu even though it is not visible */
            overflow: hidden;
            transition: all var(--animation-duration);
            text-align: left;

            @include screen-below($sm) {
                height: 0;
                padding: 0 !important;
                position: relative;
            }
        }

        &.dropdown-right .menu {
            left: auto;
            right: 0;
        }

        /* Allow for shown and :focus selectors for JS and native CSS transitions */
        &.shown .menu,
        .btn-dropdown:focus + .menu,
        .menu:hover {
            animation-play-state: running; /* Resume animation on focus */
            display: block;
            opacity: 1;
            top: 100%;
            z-index: 100;
            pointer-events: auto; /* Restore pointer events */
            height: auto;
        }

        .btn-group .btn-dropdown:nth-last-child(2) {
            border-bottom-right-radius: 3px;
            border-top-right-radius: 3px;
        }
    }

    /* TREE */
    /* Tree Navigation Menu */
    .tree {
        margin: 0;

        .tree-item {
            /* The title of the tree menu */
            .tree-item-header {
                display: block;
                padding: 0.25rem 0.5rem;
                cursor: pointer;
                font-weight: 700; /* Keep styling consistent with menu-items */
            }

            /* The dropdown glyph of the tree menu */
            .tree-item-header .icon {
                transition: all var(--animation-duration);
            }

            /* Expand the tree-item-body (has menu-items) */
            input:checked ~ .tree-item-body {
                max-height: 100vh;
            }

            /* Rotate the dropdown glyph */
            input:checked ~ .tree-item-header .icon {
                transform: rotate(90deg);
            }

            /* Container for the menu-items of the tree menu */
            .tree-item-body {
                max-height: 0; /* Hidden at first */
                margin-left: 1.5rem;
                overflow: hidden;
                transition: all var(--animation-duration);
            }
        }
    }

    /* The body that will encompass the tree-nav and tree-nav-content */
    .tree-nav-body {
        display: flex;
        height: 100vh;
        flex-wrap: nowrap;

        /* A fixed menu on the side with a tree component */
        .tree-nav {
            flex-grow: 0;
            flex-shrink: 1;
            padding: 2rem 1rem 2rem 2rem;
            min-width: 15rem;
            height: 100vh;
            overflow: auto;
        }

        /* The container for the tree component to prevent it from overflowing */
        .tree-nav-container {
            overflow-y: auto;
            top: 4rem;
            bottom: 1rem;
        }

        /* Darkened area that will close the navbar when clicked for mobile only */
        .tree-nav-close {
            display: none; /* Not needed in desktop */
        }

        /* Push document body further right to account for sidebar space */
        & + .tree-nav-content {
            max-width: 100%;
            padding: 2rem;
            flex: 1 0 auto;
            overflow: auto;
            margin: 0;
        }

        /* The body where all other HTML components are entered if a tree-nav is used */
        .tree-nav-content {
            width: 100%;
            overflow: auto;
            margin: 0;
            padding: 2rem;
        }
    }

    @include screen-below($sm) {
        /* Hide the menu to the side by default */
        .tree-nav-body .tree-nav {
            height: 100%;
            left: 0;
            overflow-y: auto;
            padding: 3rem 1.5rem;
            position: fixed;
            top: 0;
            transform: translateX(-100%);
            transition: transform var(--animation-duration) ease;
            z-index: 400;

            /* Open the menu from the side */
            /* Use a link and add the id of this element as the url */
            &.tree-nav--visible,
            &:target {
                transform: translateX(0);
                transition: transform var(--animation-duration) ease;

                /* Show the darkened area when the tree nav menu is clicked */
                & + .tree-nav-close {
                    display: block;
                    background-color: rgba(0, 0, 0, 0.15);
                    height: 100%;
                    left: 0;
                    position: fixed;
                    right: 0;
                    top: 0;
                    width: 100%;
                    z-index: 300;
                }
            }

            /* Create the area to click to close the menu */
            .tree-nav-close {
                background-color: rgba(0, 0, 0, 0.15);
                display: none;
                height: 100%;
                left: 0;
                position: fixed;
                right: 0;
                top: 0;
                width: 100%;
                z-index: 300;
            }

            /* Reset max-width in mobile */
            & + .tree-nav-body {
                max-width: inherit;
            }
        }

        /* Header bar for mobile websites with the tree-nav */
        .tree-nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(248, 249, 250, 0.8);
            height: 3.5rem;
            padding: 0.75rem 0.5rem;
            text-align: center;
            z-index: 300;
        }

        /* For dropdown menu used in header (different from header dropdown) */
        .nav-item.has-sub .list-dropdown {
            width: 100%;

            .btn-group {
                width: 100%;

                .btn-dropdown {
                    flex-grow: 0;
                }
            }
        }

        /* Show the dropdown menu in mobile hamburger menu relative with the header menu */
        .list-dropdown .btn-dropdown:focus + .menu {
            position: relative;
            width: 100%;
        }
    }
}
